Home / 28,686,950.40-43,043,102.69-15,036,832.97

Finding the Fourth Proportional to 28,686,950.40, 43,043,102.69 and 15,036,832.97

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Solution

The fourth proportional to 28,686,950.40, 43,043,102.69 and 15,036,832.97 is: 22,561,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686,950.40 : 43,043,102.69 = 15,036,832.97 : x
  2. Step 2: Convert to fraction form
    28,686,950.40/43,043,102.69 = 15,036,832.97/x
  3. Step 3: Cross multiply
    28,686,950.40x = 43,043,102.69 × 15,036,832.97
  4. Step 4: Simplify right side
    28,686,950.40x = 647,231,945,660,087.62
  5. Step 5: Solve for x
    x = 647,231,945,660,087.62/28,686,950.40
  6. Step 6: Final answer
    x = 22,561,894.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.